ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,537, issued on Feb. 10.
"Guitar sound control mechanism" was invented by Arturo Ramos (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tuning system in an acoustic guitar having a guitar body has a dividing panel in the guitar body separating the overall internal volume of the body into a first volume and a second volume, an opening through the dividing panel, a closure element proximate the opening, and a mechanism manually operable from outside the guitar body, adapted to manipulate the closure element from a position of the opening being fully open to a position with the opening fully closed."
The patent was filed on May 19, 202...